SN74ALVCH16270DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, non-inverting
• Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Channels: 16
• Logic Family: ALVCH

Detailed Pin Configuration

The SN74ALVCH16270DLR has a total of 56 pins, which are divided into various functional groups:

• VCC: Power supply pin (+3.3V)
• GND: Ground pin (0V reference)
• OE: Output Enable pin (active low)
• A1-A16: Input channels for Group A
• B1-B16: Input channels for Group B
• Y1-Y16: Output channels

For the complete pin configuration diagram, please refer to the datasheet.

Functional Features

• Non-inverting translation: The IC translates logic level signals from one voltage domain to another without changing their logic state.
• High-speed operation: Capable of operating at frequencies up to 400MHz, making it suitable for high-performance applications.
• Low-voltage operation: Supports voltage levels as low as 1.2V, enabling compatibility with modern low-power devices.
• Wide supply voltage range: Can operate within a wide range of supply voltages, from 1.2V to 3.6V.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal translation in time-critical applications. - Low-voltage capability enables compatibility with a wide range of devices. - Non-inverting translation preserves the logic state of the input signals.

Disadvantages: - Limited number of channels (16) may not be sufficient for complex systems requiring more inputs/outputs. - The TSSOP package may be challenging to solder manually due to its small size.

Working Principles

The SN74ALVCH16270DLR utilizes a combination of MOSFETs and CMOS technology to achieve logic level translation. It operates by detecting the voltage levels of the input signals and translating them to the corresponding voltage levels in the output domain. The non-inverting nature of the IC ensures that the logic state of the input signals is preserved during the translation process.

Detailed Application Field Plans

The SN74ALVCH16270DLR can be used in various applications, including:

1. Microcontroller interfacing: It can be employed to interface microcontrollers operating at different voltage levels, allowing seamless communication between them.
2. Memory systems: The IC can be utilized in memory systems to translate address and data signals between different voltage domains.
3. Communication interfaces: It can be integrated into communication interfaces, such as UART, SPI, or I2C, to enable communication between devices operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit level translator with similar characteristics but in a smaller SOT-23 package.
2. SN74AVC4T245PW: Four-bit level translator with bidirectional capability and a wider supply voltage range.

These alternative models provide similar functionality to the SN74ALVCH16270DLR but may have different pin configurations and package options.

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